void Start()
{
var format = ChannelEnumConverter.GetSoundFormatFromSpeakerMode(AudioSettings.speakerMode);
var channels = ChannelEnumConverter.GetChannelCountFromSoundFormat(format);
AudioSettings.GetDSPBufferSize(out var bufferLength, out var numBuffers);
var sampleRate = AudioSettings.outputSampleRate;
m_Graph = DSPGraph.Create(format, channels, bufferLength, sampleRate);
var driver = new DefaultDSPGraphDriver {
Graph = m_Graph
};
driver.AttachToDefaultOutput();
using (var block = m_Graph.CreateCommandBlock())
{
m_NoiseFilter = block.CreateDSPNode <NoiseFilter.Parameters, NoiseFilter.Providers, NoiseFilter>();
block.AddOutletPort(m_NoiseFilter, 2);
m_LowPass = StateVariableFilter.Create(block, StateVariableFilter.FilterType.Lowpass);
block.Connect(m_NoiseFilter, 0, m_LowPass, 0);
block.Connect(m_LowPass, 0, m_Graph.RootDSP, 0);
}
}
void Start()
{
var format = ChannelEnumConverter.GetSoundFormatFromSpeakerMode(AudioSettings.speakerMode);
var channels = ChannelEnumConverter.GetChannelCountFromSoundFormat(format);
AudioSettings.GetDSPBufferSize(out var bufferLength, out var numBuffers);
var sampleRate = AudioSettings.outputSampleRate;
m_Graph = DSPGraph.Create(format, channels, bufferLength, sampleRate);
var driver = new DefaultDSPGraphDriver { Graph = m_Graph };
driver.AttachToDefaultOutput();
using (var block = m_Graph.CreateCommandBlock())
{
m_SineWave = block.CreateDSPNode<SinWaveNode.Parameters, SinWaveNode.Providers, SinWaveNode>();
block.AddOutletPort(m_SineWave, 2, SoundFormat.Stereo);
m_SawWave = block.CreateDSPNode<SawWaveNode.Parameters, SawWaveNode.Providers, SawWaveNode>();
block.AddOutletPort(m_SawWave, 2, SoundFormat.Stereo);
m_MixNode = block.CreateDSPNode<MixNode.Parameters, MixNode.Providers, MixNode>();
block.AddInletPort(m_MixNode, 2, SoundFormat.Stereo);
block.AddInletPort(m_MixNode, 2, SoundFormat.Stereo);
block.AddOutletPort(m_MixNode, 2, SoundFormat.Stereo);
block.Connect(m_SineWave, 0, m_MixNode, 0);
block.Connect(m_SawWave, 0, m_MixNode, 1);
block.Connect(m_MixNode, 0, m_Graph.RootDSP, 0);
}
}
void Start()
{
var format = ChannelEnumConverter.GetSoundFormatFromSpeakerMode(AudioSettings.speakerMode);
var channels = ChannelEnumConverter.GetChannelCountFromSoundFormat(format);
AudioSettings.GetDSPBufferSize(out var bufferLength, out var numBuffers);
var sampleRate = AudioSettings.outputSampleRate;
m_Graph = DSPGraph.Create(format, channels, bufferLength, sampleRate);
var driver = new DefaultDSPGraphDriver {
Graph = m_Graph
};
m_Output = driver.AttachToDefaultOutput();
// Add an event handler delegate to the graph for ClipStopped. So we are notified
// of when a clip is stopped in the node and can handle the resources on the main thread.
m_HandlerID = m_Graph.AddNodeEventHandler <ClipStopped>((node, evt) =>
{
Debug.Log("Received ClipStopped event on main thread, cleaning resources");
});
// All async interaction with the graph must be done through a DSPCommandBlock.
// Create it here and complete it once all commands are added.
var block = m_Graph.CreateCommandBlock();
m_Node = block.CreateDSPNode <PlayClipNode.Parameters, PlayClipNode.SampleProviders, PlayClipNode>();
// Currently input and output ports are dynamic and added via this API to a node.
// This will change to a static definition of nodes in the future.
block.AddOutletPort(m_Node, 2, SoundFormat.Stereo);
// Connect the node to the root of the graph.
m_Connection = block.Connect(m_Node, 0, m_Graph.RootDSP, 0);
// We are done, fire off the command block atomically to the mixer thread.
block.Complete();
}
protected override void OnCreate()
{
this._available = new NativeQueue <DSPNode>(Allocator.Persistent);
this._all = new NativeList <DSPNode>(Allocator.Persistent);
var format = ChannelEnumConverter.GetSoundFormatFromSpeakerMode(AudioSettings.speakerMode);
var channels = ChannelEnumConverter.GetChannelCountFromSoundFormat(format);
AudioSettings.GetDSPBufferSize(out var bufferLength, out _);
var sampleRate = AudioSettings.outputSampleRate;
Debug.Log($"Audio SampleRate will be {sampleRate}");
this._graph = DSPGraph.Create(format, channels, bufferLength, sampleRate);
var driver = new DefaultDSPGraphDriver {
Graph = this._graph
};
this._output = driver.AttachToDefaultOutput();
this._graph.AddNodeEventHandler <AudioSampleNodeCompleted>(this.ReleaseNode);
}
protected override void OnCreate()
{
//Initialize containers first
m_mixNodePortFreelist = new NativeList <int>(Allocator.Persistent);
m_mixNodePortCount = new NativeReference <int>(Allocator.Persistent);
m_ildNodePortCount = new NativeReference <int>(Allocator.Persistent);
m_packedFrameCounterBufferId = new NativeReference <long>(Allocator.Persistent);
m_audioFrame = new NativeReference <int>(Allocator.Persistent);
m_lastReadBufferId = new NativeReference <int>(Allocator.Persistent);
m_buffersInFlight = new List <ManagedIldBuffer>();
worldBlackboardEntity.AddComponentDataIfMissing(new AudioSettings {
audioFramesPerUpdate = 3, audioSubframesPerFrame = 1, logWarningIfBuffersAreStarved = false
});
//Create graph and driver
var format = ChannelEnumConverter.GetSoundFormatFromSpeakerMode(UnityEngine.AudioSettings.speakerMode);
var channels = ChannelEnumConverter.GetChannelCountFromSoundFormat(format);
UnityEngine.AudioSettings.GetDSPBufferSize(out m_samplesPerSubframe, out _);
m_sampleRate = UnityEngine.AudioSettings.outputSampleRate;
m_graph = DSPGraph.Create(format, channels, m_samplesPerSubframe, m_sampleRate);
m_driver = new LatiosDSPGraphDriver {
Graph = m_graph
};
m_outputHandle = m_driver.AttachToDefaultOutput();
var commandBlock = m_graph.CreateCommandBlock();
m_mixNode = commandBlock.CreateDSPNode <MixStereoPortsNode.Parameters, MixStereoPortsNode.SampleProviders, MixStereoPortsNode>();
commandBlock.AddOutletPort(m_mixNode, 2);
m_mixToOutputConnection = commandBlock.Connect(m_mixNode, 0, m_graph.RootDSP, 0);
m_ildNode = commandBlock.CreateDSPNode <ReadIldBuffersNode.Parameters, ReadIldBuffersNode.SampleProviders, ReadIldBuffersNode>();
unsafe
{
commandBlock.UpdateAudioKernel <SetReadIldBuffersNodePackedFrameBufferId, ReadIldBuffersNode.Parameters, ReadIldBuffersNode.SampleProviders, ReadIldBuffersNode>(
new SetReadIldBuffersNodePackedFrameBufferId {
ptr = (long *)m_packedFrameCounterBufferId.GetUnsafePtr()
},
m_ildNode);
}
commandBlock.Complete();
//Create queries
m_aliveListenersQuery = Fluent.WithAll <AudioListener>(true).Build();
m_deadListenersQuery = Fluent.Without <AudioListener>().WithAll <ListenerGraphState>().Build();
m_oneshotsToDestroyWhenFinishedQuery = Fluent.WithAll <AudioSourceOneShot>().WithAll <AudioSourceDestroyOneShotWhenFinished>(true).Build();
m_oneshotsQuery = Fluent.WithAll <AudioSourceOneShot>().Build();
m_loopedQuery = Fluent.WithAll <AudioSourceLooped>().Build();
//Force initialization of Burst
commandBlock = m_graph.CreateCommandBlock();
var dummyNode = commandBlock.CreateDSPNode <MixPortsToStereoNode.Parameters, MixPortsToStereoNode.SampleProviders, MixPortsToStereoNode>();
StateVariableFilterNode.Create(commandBlock, StateVariableFilterNode.FilterType.Bandpass, 0f, 0f, 0f, 1);
commandBlock.UpdateAudioKernel <MixPortsToStereoNodeUpdate, MixPortsToStereoNode.Parameters, MixPortsToStereoNode.SampleProviders, MixPortsToStereoNode>(
new MixPortsToStereoNodeUpdate {
leftChannelCount = 0
},
dummyNode);
commandBlock.UpdateAudioKernel <ReadIldBuffersNodeUpdate, ReadIldBuffersNode.Parameters, ReadIldBuffersNode.SampleProviders, ReadIldBuffersNode>(new ReadIldBuffersNodeUpdate
{
ildBuffer = new IldBuffer(),
},
m_ildNode);
commandBlock.Cancel();
}
